HEADER ISOMERASE 17-FEB-20 6VVA TITLE N-ACETYLMANNOSAMINE-6-PHOSPHATE 2-EPIMERASE FROM STAPHYLOCOCCUS AUREUS TITLE 2 (STRAIN MRSA USA300) COMPND MOL_ID: 1; COMPND 2 MOLECULE: N-ACETYLMANNOSAMINE-6-PHOSPHATE 2-EPIMERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MANNAC-6-P EPIMERASE; COMPND 5 EC: 5.1.3.9; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: NANE, BTN44_01590, EP54_02960, EQ90_08785, ERS072840_01491, SOURCE 5 FA040_00085, HMPREF3211_02501, NCTC10654_00351, NCTC10702_00560, SOURCE 6 NCTC7878_00328, RK64_02155; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS NANE, TIM-BARREL, ISOMERASE, EPIMERASE EXPDTA X-RAY DIFFRACTION AUTHOR R.C.J.RENWICK,M.J.CURRIE REVDAT 4 11-OCT-23 6VVA 1 REMARK REVDAT 3 20-APR-22 6VVA 1 COMPND JRNL REVDAT 2 11-AUG-21 6VVA 1 COMPND KEYWDS REMARK SITE REVDAT 2 2 1 ATOM REVDAT 1 24-FEB-21 6VVA 0 JRNL AUTH M.J.CURRIE,L.MANJUNATH,C.R.HORNE,P.M.RENDLE,R.SUBRAMANIAN, JRNL AUTH 2 R.FRIEMANN,A.J.FAIRBANKS,A.C.MUSCROFT-TAYLOR,R.A.NORTH, JRNL AUTH 3 R.C.J.DOBSON JRNL TITL N-ACETYLMANNOSAMINE-6-PHOSPHATE 2-EPIMERASE USES A NOVEL JRNL TITL 2 SUBSTRATE-ASSISTED MECHANISM TO CATALYZE AMINO SUGAR JRNL TITL 3 EPIMERIZATION. JRNL REF J.BIOL.CHEM. V. 297 01113 2021 JRNL REFN ESSN 1083-351X JRNL PMID 34437902 JRNL DOI 10.1016/J.JBC.2021.101113 REMARK 2 REMARK 2 RESOLUTION. 1.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.34 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 50648 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.180 REMARK 3 FREE R VALUE : 0.201 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1993 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.84 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.89 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3618 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.51 REMARK 3 BIN R VALUE (WORKING SET) : 0.3050 REMARK 3 BIN FREE R VALUE SET COUNT : 142 REMARK 3 BIN FREE R VALUE : 0.2880 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3440 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 585 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.31 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.89000 REMARK 3 B22 (A**2) : -0.09000 REMARK 3 B33 (A**2) : 0.98000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.120 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.109 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.087 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.021 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3793 ; 0.002 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 3674 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5192 ; 1.144 ; 1.638 REMARK 3 BOND ANGLES OTHERS (DEGREES): 8526 ; 1.099 ; 1.581 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 508 ; 5.862 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 182 ;31.703 ;24.066 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 699 ;10.739 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 17 ;22.021 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 527 ; 0.041 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4378 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 784 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6VVA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-FEB-20. REMARK 100 THE DEPOSITION ID IS D_1000247130. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-JUL-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95370 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52642 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.840 REMARK 200 RESOLUTION RANGE LOW (A) : 46.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1Y0E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1 M TRISODIUM CITRATE, 0.1 M SODIUM REMARK 280 CACODYLATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 X,-Y,-Z REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.53350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 86.87250 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.53350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 86.87250 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASP A 15 -4.84 84.18 REMARK 500 SER A 20 126.25 163.79 REMARK 500 THR A 43 146.03 83.83 REMARK 500 LYS A 102 -97.80 -136.66 REMARK 500 HIS B 19 107.27 -51.98 REMARK 500 SER B 20 124.59 176.60 REMARK 500 THR B 43 147.16 86.52 REMARK 500 LYS B 102 -98.06 -134.11 REMARK 500 LYS B 102 -97.41 -133.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 687 DISTANCE = 7.10 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 302 DBREF 6VVA A 1 222 UNP X5EM89 X5EM89_STAAU 1 222 DBREF 6VVA B 1 222 UNP X5EM89 X5EM89_STAAU 1 222 SEQRES 1 A 222 MET LEU PRO HIS GLY LEU ILE VAL SER CYS GLN ALA LEU SEQRES 2 A 222 PRO ASP GLU PRO LEU HIS SER SER PHE ILE MET SER LYS SEQRES 3 A 222 MET ALA LEU ALA ALA TYR GLU GLY GLY ALA VAL GLY ILE SEQRES 4 A 222 ARG ALA ASN THR LYS GLU ASP ILE LEU ALA ILE LYS GLU SEQRES 5 A 222 THR VAL ASP LEU PRO VAL ILE GLY ILE VAL LYS ARG ASP SEQRES 6 A 222 TYR ASP HIS SER ASP VAL PHE ILE THR ALA THR SER LYS SEQRES 7 A 222 GLU VAL ASP GLU LEU ILE GLU SER GLN CYS GLU VAL ILE SEQRES 8 A 222 ALA LEU ASP ALA THR LEU GLN GLN ARG PRO LYS GLU THR SEQRES 9 A 222 LEU ASP GLU LEU VAL SER TYR ILE ARG THR HIS ALA PRO SEQRES 10 A 222 ASN VAL GLU ILE MET ALA ASP ILE ALA THR VAL GLU GLU SEQRES 11 A 222 ALA LYS ASN ALA ALA ARG LEU GLY PHE ASP TYR ILE GLY SEQRES 12 A 222 THR THR LEU HIS GLY TYR THR SER TYR THR GLN GLY GLN SEQRES 13 A 222 LEU LEU TYR GLN ASN ASP PHE GLN PHE LEU LYS ASP VAL SEQRES 14 A 222 LEU GLN SER VAL ASP ALA LYS VAL ILE ALA GLU GLY ASN SEQRES 15 A 222 VAL ILE THR PRO ASP MET TYR LYS ARG VAL MET ASP LEU SEQRES 16 A 222 GLY VAL HIS CYS SER VAL VAL GLY GLY ALA ILE THR ARG SEQRES 17 A 222 PRO LYS GLU ILE THR LYS ARG PHE VAL GLN ILE MET GLU SEQRES 18 A 222 ASP SEQRES 1 B 222 MET LEU PRO HIS GLY LEU ILE VAL SER CYS GLN ALA LEU SEQRES 2 B 222 PRO ASP GLU PRO LEU HIS SER SER PHE ILE MET SER LYS SEQRES 3 B 222 MET ALA LEU ALA ALA TYR GLU GLY GLY ALA VAL GLY ILE SEQRES 4 B 222 ARG ALA ASN THR LYS GLU ASP ILE LEU ALA ILE LYS GLU SEQRES 5 B 222 THR VAL ASP LEU PRO VAL ILE GLY ILE VAL LYS ARG ASP SEQRES 6 B 222 TYR ASP HIS SER ASP VAL PHE ILE THR ALA THR SER LYS SEQRES 7 B 222 GLU VAL ASP GLU LEU ILE GLU SER GLN CYS GLU VAL ILE SEQRES 8 B 222 ALA LEU ASP ALA THR LEU GLN GLN ARG PRO LYS GLU THR SEQRES 9 B 222 LEU ASP GLU LEU VAL SER TYR ILE ARG THR HIS ALA PRO SEQRES 10 B 222 ASN VAL GLU ILE MET ALA ASP ILE ALA THR VAL GLU GLU SEQRES 11 B 222 ALA LYS ASN ALA ALA ARG LEU GLY PHE ASP TYR ILE GLY SEQRES 12 B 222 THR THR LEU HIS GLY TYR THR SER TYR THR GLN GLY GLN SEQRES 13 B 222 LEU LEU TYR GLN ASN ASP PHE GLN PHE LEU LYS ASP VAL SEQRES 14 B 222 LEU GLN SER VAL ASP ALA LYS VAL ILE ALA GLU GLY ASN SEQRES 15 B 222 VAL ILE THR PRO ASP MET TYR LYS ARG VAL MET ASP LEU SEQRES 16 B 222 GLY VAL HIS CYS SER VAL VAL GLY GLY ALA ILE THR ARG SEQRES 17 B 222 PRO LYS GLU ILE THR LYS ARG PHE VAL GLN ILE MET GLU SEQRES 18 B 222 ASP HET CIT A 301 13 HET CL A 302 1 HET CIT B 301 13 HET CL B 302 1 HETNAM CIT CITRIC ACID HETNAM CL CHLORIDE ION FORMUL 3 CIT 2(C6 H8 O7) FORMUL 4 CL 2(CL 1-) FORMUL 7 HOH *585(H2 O) HELIX 1 AA1 SER A 20 GLY A 35 1 16 HELIX 2 AA2 THR A 43 VAL A 54 1 12 HELIX 3 AA3 THR A 76 GLN A 87 1 12 HELIX 4 AA4 THR A 104 ALA A 116 1 13 HELIX 5 AA5 THR A 127 LEU A 137 1 11 HELIX 6 AA6 TYR A 159 VAL A 173 1 15 HELIX 7 AA7 THR A 185 GLY A 196 1 12 HELIX 8 AA8 GLY A 203 ARG A 208 1 6 HELIX 9 AA9 ARG A 208 ILE A 219 1 12 HELIX 10 AB1 SER B 20 GLY B 35 1 16 HELIX 11 AB2 THR B 43 GLU B 52 1 10 HELIX 12 AB3 THR B 76 GLN B 87 1 12 HELIX 13 AB4 THR B 104 ALA B 116 1 13 HELIX 14 AB5 THR B 127 LEU B 137 1 11 HELIX 15 AB6 TYR B 159 GLN B 171 1 13 HELIX 16 AB7 THR B 185 LEU B 195 1 11 HELIX 17 AB8 GLY B 203 ARG B 208 1 6 HELIX 18 AB9 ARG B 208 ILE B 219 1 12 SHEET 1 AA1 9 GLY A 5 SER A 9 0 SHEET 2 AA1 9 GLY A 38 ASN A 42 1 O GLY A 38 N VAL A 8 SHEET 3 AA1 9 VAL A 58 ILE A 61 1 O ILE A 59 N ILE A 39 SHEET 4 AA1 9 VAL A 90 ASP A 94 1 O VAL A 90 N GLY A 60 SHEET 5 AA1 9 GLU A 120 ASP A 124 1 O ASP A 124 N LEU A 93 SHEET 6 AA1 9 TYR A 141 GLY A 143 1 O GLY A 143 N ALA A 123 SHEET 7 AA1 9 LYS A 176 GLU A 180 1 O ILE A 178 N ILE A 142 SHEET 8 AA1 9 CYS A 199 VAL A 202 1 O VAL A 201 N ALA A 179 SHEET 9 AA1 9 GLY A 5 SER A 9 1 N ILE A 7 O SER A 200 SHEET 1 AA2 9 GLY B 5 SER B 9 0 SHEET 2 AA2 9 GLY B 38 ASN B 42 1 O GLY B 38 N VAL B 8 SHEET 3 AA2 9 VAL B 58 ILE B 61 1 O ILE B 59 N ILE B 39 SHEET 4 AA2 9 VAL B 90 ASP B 94 1 O VAL B 90 N GLY B 60 SHEET 5 AA2 9 GLU B 120 ASP B 124 1 O GLU B 120 N ILE B 91 SHEET 6 AA2 9 TYR B 141 GLY B 143 1 O GLY B 143 N ALA B 123 SHEET 7 AA2 9 LYS B 176 GLU B 180 1 O ILE B 178 N ILE B 142 SHEET 8 AA2 9 CYS B 199 VAL B 202 1 O VAL B 201 N ALA B 179 SHEET 9 AA2 9 GLY B 5 SER B 9 1 N ILE B 7 O SER B 200 SITE 1 AC1 15 SER A 9 GLN A 11 ARG A 40 ILE A 61 SITE 2 AC1 15 LYS A 63 GLU A 180 GLY A 181 GLY A 203 SITE 3 AC1 15 GLY A 204 ARG A 208 HOH A 430 HOH A 461 SITE 4 AC1 15 HOH A 463 HOH A 474 HOH A 503 SITE 1 AC2 5 ARG A 208 PRO A 209 LYS A 210 HOH A 531 SITE 2 AC2 5 HOH A 613 SITE 1 AC3 14 SER B 9 GLN B 11 ARG B 40 ILE B 61 SITE 2 AC3 14 LYS B 63 GLU B 180 GLY B 181 GLY B 203 SITE 3 AC3 14 GLY B 204 ARG B 208 HOH B 407 HOH B 430 SITE 4 AC3 14 HOH B 467 HOH B 532 SITE 1 AC4 5 ARG B 208 PRO B 209 LYS B 210 HOH B 462 SITE 2 AC4 5 HOH B 622 CRYST1 44.431 77.067 173.745 90.00 90.00 90.00 P 2 21 21 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.022507 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012976 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005756 0.00000